Method and apparatus for calcining powdered material for cement

Details Method and apparatus for calcining powdered material for cement Method and apparatus for calcining powdered material for cement

1975-07-28

1977-07-12

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

C04B 744

Patent

active

040351939

ABSTRACT:
A method and apparatus for calcining powdered material for cement manufacture by making good use of the sensible heat and fluidity of preheated material in the burning process and utilizing the material as a catalyst for diffusing and vaporizing fuel, thereby producing reducing gases, and then bringing the reducing gases into contact with the combustion gases from a kiln for stepwise combustion so that the cement material is decarbonated and the nitrogen oxide contents of the exhaust gases from the kiln are decreased.

REFERENCES:
patent: 3873331 (1975-03-01), Kondo et al.

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